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Issue 729409 link

Starred by 1 user
Status: WontFix
Owner:
capn@chromium.org
Closed: Jul 2017
Cc:
█ msrchandra@chromium.org
sugoi@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Data race in sw::Renderer::terminateThreads

Project Member Reported by ClusterFuzz, Jun 4 2017 
Detailed report: https://clusterfuzz.com/testcase?key=5502971831123968

Fuzzer: inferno_layout_test_unmodified
Job Type: linux_tsan_chrome_mp
Platform Id: linux

Crash Type: Data race READ 4
Crash Address: 0x7bb00000c70c
Crash State:
  sw::Renderer::terminateThreads
  sw::Renderer::~Renderer
  es2::Device::~Device
  
Sanitizer: thread (TSAN)

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5502971831123968


Issue filed automatically.

See https://dev.chromium.org/Home/chromium-security/bugs/reproducing-clusterfuzz-bugs for more information.

Comment 1 by msrchandra@chromium.org, Jun 5 2017

Cc: msrchandra@chromium.org
Components: Internals>GPU>SwiftShader
Labels: M-60 Test-Predator-Correct-CLs
Owner: npm@chromium.org
Status: Assigned (was: Untriaged)
Assigning to the concern owner from Predator results --
Regression information is not available. The result is the blame information. 

Author: John Bauman
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/894018228b0e0bdbd7aa7e8f47d4a9458789ca82
Time: Tue May 06 15:04:28 2014 -0400
The CL last changed line 1994 of file Renderer.cpp, which is stack frame 0. 

Author: John Bauman
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/894018228b0e0bdbd7aa7e8f47d4a9458789ca82
Time: Tue May 06 15:04:28 2014 -0400
The CL last changed line 182 of file Renderer.cpp, which is stack frame 1. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/0bac285a78df6a6d7a6b68784748b92805420ffb
Time: Sat May 07 06:09:58 2016 -0400
The CL last changed line 174 of file Device.cpp, which is stack frame 2. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/0bac285a78df6a6d7a6b68784748b92805420ffb
Time: Sat May 07 06:09:58 2016 -0400
The CL last changed line 151 of file Device.cpp, which is stack frame 3. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/0bac285a78df6a6d7a6b68784748b92805420ffb
Time: Sat May 07 06:09:58 2016 -0400
The CL last changed line 265 of file Context.cpp, which is stack frame 4. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/0bac285a78df6a6d7a6b68784748b92805420ffb
Time: Sat May 07 06:09:58 2016 -0400
The CL last changed line 188 of file Context.cpp, which is stack frame 5. 

Author: Nicolas Capens
Project: chromium-swiftshader
Changelist: https://swiftshader.googlesource.com/SwiftShader.git/+/c360363171c293e1cde328a592c9e0d7261c371c
Time: Sun Feb 07 22:19:45 2016 -0500
The CL last changed line 57 of file Object.cpp, which is stack frame 6.

@npm -- Could you please look into the issue, kindly re-assign if this is not related to your changes.
Thank You.

Comment 2 by npm@chromium.org, Jun 6 2017

Owner: capn@chromium.org
Wrong Nicolas
Project Member

Comment 3 by ClusterFuzz, Jul 7 2017

Status: WontFix (was: Assigned)
ClusterFuzz testcase 5502971831123968 is flaky and no longer reproduces, so closing issue.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.
►

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